#!/bin/sh
# PCP QA Test No. 616
# pmlogsize with xz compression
#
# Copyright (c) 2018 Ken McDonell.  All Rights Reserved.
#

seq=`basename $0`
echo "QA output created by $seq"

# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check

which xz >/dev/null 2>&1 || _notrun "xz not installed"

_cleanup()
{
    cd $here
    $sudo rm -rf $tmp $tmp.*
}

_filter()
{
    sed \
	-e 's/\(reduces size below by about\) [0-9][0-9]/\1 PERCENT/g'
}

# from lines like
# ok-foo.0.xz: [compression reduces size below by about 79%]
# make a shell variable name from the file name and assign it to
# the compressions percentage
#
_values()
{
    sed -n -e '/^[^ ]/{
s/-/_/g
s/\./_/g
s/:[^0-9]*\([0-9][0-9]*\)%].*/=\1/
p
}'
}

status=1	# failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

mkdir $tmp

cd archives
for file in ok-foo.*
do
    xz -c $file >$tmp/$file.xz
done

# real QA test starts here
cd $tmp

pmlogsize -d ok-foo >$tmp.out
_filter < $tmp.out

eval `_values < $tmp.out`
_within_tolerance vol $ok_foo_0_xz 78 10% -v 		# allow +/-N%
_within_tolerance meta $ok_foo_meta_xz 53 5% -v 	# allow +/-N%
_within_tolerance index $ok_foo_index_xz 18 20% -v 	# allow +/-N%

# success, all done
status=0
exit
